Dec 18 10:00:12.478 INFO checking trex-0.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:00:12.478 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/trex/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:00:12.638 INFO [stdout] a223ea2990c1fed26a8e297b69c2cca79390c2372f218309a2fc83f4d761f037
Dec 18 10:00:12.641 INFO running `"docker" "start" "-a" "a223ea2990c1fed26a8e297b69c2cca79390c2372f218309a2fc83f4d761f037"`
Dec 18 10:00:13.488 INFO [stderr]     Checking trex v0.2.0 (/opt/crater/workdir)
Dec 18 10:00:14.128 INFO [stderr] warning: unused import: `FamilyMember`
Dec 18 10:00:14.128 INFO [stderr]  --> benches/lib.rs:8:12
Dec 18 10:00:14.128 INFO [stderr]   |
Dec 18 10:00:14.128 INFO [stderr] 8 | use trex::{FamilyMember, System, EventQueue, EventEmitter, Simulation, World, ComponentFilter};
Dec 18 10:00:14.128 INFO [stderr]   |            ^^^^^^^^^^^^
Dec 18 10:00:14.128 INFO [stderr]   |
Dec 18 10:00:14.128 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:00:14.128 INFO [stderr] 
Dec 18 10:00:14.184 INFO [stderr] warning: variable does not need to be mutable
Dec 18 10:00:14.184 INFO [stderr]   --> benches/lib.rs:93:9
Dec 18 10:00:14.184 INFO [stderr]    |
Dec 18 10:00:14.184 INFO [stderr] 93 |     let mut queue = EventQueue::new();
Dec 18 10:00:14.184 INFO [stderr]    |         ----^^^^^
Dec 18 10:00:14.184 INFO [stderr]    |         |
Dec 18 10:00:14.184 INFO [stderr]    |         help: remove this `mut`
Dec 18 10:00:14.185 INFO [stderr]    |
Dec 18 10:00:14.185 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 10:00:14.185 INFO [stderr] 
Dec 18 10:00:14.185 INFO [stderr] warning: variable does not need to be mutable
Dec 18 10:00:14.185 INFO [stderr]   --> benches/lib.rs:94:9
Dec 18 10:00:14.185 INFO [stderr]    |
Dec 18 10:00:14.185 INFO [stderr] 94 |     let mut emitter = EventEmitter::new();
Dec 18 10:00:14.185 INFO [stderr]    |         ----^^^^^^^
Dec 18 10:00:14.185 INFO [stderr]    |         |
Dec 18 10:00:14.185 INFO [stderr]    |         help: remove this `mut`
Dec 18 10:00:14.185 INFO [stderr] 
Dec 18 10:00:14.251 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 18 10:00:15.051 INFO running `"docker" "inspect" "a223ea2990c1fed26a8e297b69c2cca79390c2372f218309a2fc83f4d761f037"`
Dec 18 10:00:15.419 INFO running `"docker" "rm" "-f" "a223ea2990c1fed26a8e297b69c2cca79390c2372f218309a2fc83f4d761f037"`
Dec 18 10:00:15.644 INFO [stdout] a223ea2990c1fed26a8e297b69c2cca79390c2372f218309a2fc83f4d761f037